Rose Black
11/06/2023 · Middle School
A food safety guideline is that the mercury in fish should be below 1 part per million (ppm). Listed below are the amounts of mercury (ppm) found in tuna sushi sampled at different stores in a major city. Construct a \( 95 \% \) confidence interval estimate of the mean amount of mercury in the population. Does it appear that there is too much mercury in tuna sushi? \( 0.56 \quad 0.73 \quad 0.10 \quad 0.94 \quad 1.25 \quad 0.56 \quad 0.93 \) What is the confidence interval estimate of the population mean \( \mu \) ? \( \square \) ppm < \( 4<\square \) ppm (Round to three decimal places as needed.)
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The \( 95\% \) confidence interval estimate of the population mean \( \mu \) is \( 0.217 \, \text{ppm} < \mu < 0.945 \, \text{ppm} \). The interval is entirely below \( 1 \, \text{ppm} \), indicating that there does not appear to be too much mercury in the tuna sushi based on this sample.
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